Of course it can be falsified. Falsifying all of it is hard.
Falsifying your old service records previous passports, old drivers licenses when copies of documents are securely retained by by the government is hard for you to do, but possible.
It is probably better than accepting everything at face value, in a world where evil men seek advantage.
And how do you know that the evidence you are investigating is genuine or authentic and that your interpretation of the evidence you are investigating accurate and unbiased?
“Falsifying your old service records previous passports, old drivers licenses when copies of documents are securely retained by by the government is hard for you to do, but possible.”
Yup, Obama proved it was possible :)